PBS's signature (and multi-award-winning) natural-history series uses gifted wildlife documentarians and stunning photography to reveal what its first host, Donald Johanson, called `the magic and mystery of the fascinating natural world.' The series has ga (more…)PBS's signature (and multi-award-winning) natural-history series uses gifted wildlife documentarians and stunning photography to reveal what its first host, Donald Johanson, called `the magic and mystery of the fascinating natural world.' The series has garnered numerous prizes, including the Sierra Club Award; and both an Emmy and a Peabody in 1987 for `A Season in the Sun,' a memorable portrait of East Africa by Alan and Joan Root. Its first show was the lyrical `Flight of the Condor.'

Season 4, Episode 2 Battle of the Leaves

First Aired: October 27, 1985

Some of the ways plants and trees survive against birds, insects and harsh weather, including "chemical warfare"---in which various trees counter rapacious creatures with a lethal poison in their leaves. George Page is the narrator.